74509541 has 2 divisors, whose sum is σ = 74509542. Its totient is φ = 74509540.

The previous prime is 74509511. The next prime is 74509579. The reversal of 74509541 is 14590547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49758916 + 24750625 = 7054^2 + 4975^2 .

It is a cyclic number.

It is not a de Polignac number, because 74509541 - 2²² = 70315237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74509511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37254770 + 37254771.

It is an arithmetic number, because the mean of its divisors is an integer number (37254771).

Almost surely, 2^74509541 is an apocalyptic number.

It is an amenable number.

74509541 is a deficient number, since it is larger than the sum of its proper divisors (1).

74509541 is an equidigital number, since it uses as much as digits as its factorization.

74509541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 74509541 is about 8631.8909284119. The cubic root of 74509541 is about 420.7950567503.

The spelling of 74509541 in words is "seventy-four million, five hundred nine thousand, five hundred forty-one".